Elevator door mechanical strength inspection device

Abstract

The utility model relates to the technical field of elevator door strength inspection, and discloses an elevator door mechanical strength inspection device which comprises an inspection supporting base, and the side edges of side edge extrusion openings are provided with elevator door side face strength extrusion assemblies used for strength inspection. According to the elevator door fixing frame, the side edge extrusion opening is formed in the elevator door fixing frame, so that the elevator door inserted into the elevator door fixing frame is more stably limited by the side edge extrusion opening, and the elevator door is more convenient to disassemble and assemble; the elevator door side face strength extrusion assembly and the conical point strength extrusion assembly are arranged on the side edge of the elevator door fixing frame, so that a user can more conveniently conduct conical point extrusion inspection on the side face of the elevator door, the inspection data of the mechanical strength of the side face of the elevator door is richer, and meanwhile the inspection efficiency of the mechanical strength of the elevator door is improved; and the strength test data is more complete and meets the use requirements of users.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator door strength testing, in particular to an elevator door mechanical strength testing device. Background Art

[0002] The elevator door is a very important part of the elevator. There are two doors. The one that can be seen from the outside of the elevator and is fixed on each floor is called the hall door, and the one that can be seen from the inside and is fixed to the car and moves with the car is called the car door. The elevator door is usually opened and closed by the car door. Its stability, rationality, and safety are key factors in determining the grade of the elevator.

[0003] After searching, the authorized Chinese patent publication number CN 218212410 U discloses a mechanical strength test device for elevator doors, including a base, and the upper surface of the base is respectively provided with a positioning mechanism and a pressure mechanism; the positioning mechanism includes a positioning frame rotatably arranged on the upper surface of the base, and the interior of the positioning frame is provided with a plug-in slot penetrating through one side of the positioning frame for plugging in the elevator door, and the lower surface of the positioning frame is provided with a positioning component. After positioning the elevator door, the mechanical strength test device for the elevator door starts the hydraulic telescopic rod to press the pressure block on the surface of the elevator door to achieve the test of the mechanical strength of the elevator door. At the same time, during the test process, the first motor and the second motor can be respectively driven to rotate, and the rotation of the first screw and the second screw can respectively drive the first sliding block to move upward or downward, and the second sliding block to move left or right, thereby driving the hydraulic telescopic rod to move up, down, left and right, and achieving the purpose of flexible transformation of the test point.

[0004] The elevator door inspection device in the above patent still has certain shortcomings. In most accidents, the elevator door is deformed due to the strong squeezing on its side. Therefore, it is particularly important to test the side compressive strength of the elevator door. However, most of the existing elevator door side mechanical strength inspection devices can only squeeze the side as a whole. When performing single-point squeezing detection, the elevator door needs to be repeatedly disassembled and assembled. The disassembly and assembly process is relatively cumbersome, which greatly reduces the efficiency of the mechanical strength inspection of the elevator door and is difficult to meet the needs of users. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides an elevator door mechanical strength testing device, which solves the problem that most of the existing elevator door side mechanical strength testing devices can only squeeze the side as a whole, and when performing single-point squeezing detection, the elevator door needs to be repeatedly disassembled and assembled, and the disassembly and assembly process is relatively cumbersome, which greatly reduces the efficiency of the elevator door mechanical strength testing and is difficult to meet the needs of users.

[0006] The utility model provides the following technical solutions: an elevator door mechanical strength testing device, comprising a testing support base, an elevator door fixing frame is arranged on the top of the testing support base, two side extrusion openings are symmetrically provided on both sides of the elevator door fixing frame, and the sides of the side extrusion openings are both provided with elevator door side strength extrusion components for strength testing, and a cone point strength extrusion component is arranged on the elevator door side strength extrusion component;

[0007] The elevator door side strength extrusion assembly includes fixed connecting plates symmetrically arranged on both sides of the elevator door fixing frame, two driving cylinders are symmetrically arranged on the fixed connecting plates, a limiting connecting frame is arranged on the side of the fixed connecting plate, two limiting through holes are symmetrically opened on the limiting connecting frame, a side extrusion plate is arranged in the side extrusion opening, an extrusion push rod is arranged at the end of the driving cylinder, the end of the extrusion push rod passes through the limiting through hole and is connected to the side of the side extrusion plate, and a plurality of side pressure sensors are evenly arranged on the side of the side extrusion plate.

[0008] Preferred technical solution 1: The cone point strength extrusion assembly includes sliding through holes symmetrically opened on the upper and lower sides of the side extrusion plate, and a resisting cone rod is slidably inserted into the sliding through hole, and the end of the resisting cone rod passes through the limiting connecting frame.

[0009] Preferred technical solution 2: A cone point pressure sensor is provided at the end of the sliding through hole, and a fixing bolt is threadedly inserted into the end of the side extrusion plate.

[0010] Preferred technical solution three: two limiting slots are symmetrically provided on the inner wall of the elevator door fixing frame.

[0011] This solution can make the elevator door inserted into the elevator door fixing frame more stable when limited by the limit slot.

[0012] Preferred technical solution 4: The end of the sliding perforation is in a conical shape that is convenient for extrusion.

[0013] This solution can make it easier for the contact cone rod to test the cone point contact strength of the elevator door.

[0014] Preferred technical solution five: the end of the fixing bolt is provided with anti-slip grooves, and the end of the fixing bolt abuts against the side of the abutting cone rod.

[0015] This solution can make the interference cone rod movably inserted into the sliding through hole be fixed more firmly.

[0016] Compared with the prior art, the utility model provides an elevator door mechanical strength testing device, which has the following beneficial effects:

[0017] (1) The utility model provides a side extrusion opening on the elevator door fixing frame, so that the elevator door inserted into the elevator door fixing frame is more stable due to the limitation of the side extrusion opening, and the disassembly and assembly of the elevator door is more convenient. The elevator door side strength extrusion assembly and the cone point strength extrusion assembly are provided on the side of the elevator door fixing frame, wherein the driving cylinder in the elevator door side strength extrusion assembly can push the side extrusion plate through the extrusion push rod, so that the side extrusion plate resists the side of the elevator door, and the side of the side extrusion plate is provided with a side pressure sensor, so that when the elevator door is squeezed, the mechanical strength that it can withstand can be accurately obtained through the side pressure sensor, and the resisting cone rod in the cone point strength extrusion assembly can extend to the side of the side extrusion plate, so that the user can more conveniently perform the cone point extrusion inspection on the side of the elevator door, and the side mechanical strength inspection data of the elevator door is more abundant, and the mechanical strength inspection efficiency of the elevator door is also improved, and the strength inspection data is more complete, which meets the user's usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the main cross-section of the structure of the utility model;

[0020] Figure 3 For the utility model Figure 2 A magnified view of the structure of the middle limit perforation;

[0021] Figure 4 For the utility model Figure 2 A magnified view of the structure of the mid-cone point strength extrusion component.

[0022] In the figure:

[0023] 1. Check the support base; 2. Elevator door fixing frame; 3. Side extrusion opening; 4. Elevator door side strength extrusion assembly; 5. Cone point strength extrusion assembly;

[0024] 401, fixed connecting plate; 402, driving cylinder; 403, limiting connecting frame; 404, limiting perforation; 405, side extrusion plate; 406, extrusion push rod; 407, side pressure sensor;

[0025] 501, sliding through hole; 502, abutting cone rod; 503, cone point pressure sensor; 504, fixing bolt. DETAILED DESCRIPTION

[0026] See also Figure 1-4

[0027] Embodiment 1: A device for testing the mechanical strength of an elevator door comprises a testing support base 1, an elevator door fixing frame 2 is arranged on the top of the testing support base 1, two side extrusion openings 3 are symmetrically provided on both sides of the elevator door fixing frame 2, and elevator door side strength extrusion components 4 for strength testing are arranged on the sides of the side extrusion openings 3, and a cone point strength extrusion component 5 is arranged on the elevator door side strength extrusion component 4.

[0028] The elevator door side strength extrusion assembly 4 includes a fixed connecting plate 401 symmetrically arranged on both sides of the elevator door fixing frame 2, two driving cylinders 402 are symmetrically arranged on the fixed connecting plate 401, a limiting connecting frame 403 is arranged on the side of the fixed connecting plate 401, two limiting through holes 404 are symmetrically opened on the limiting connecting frame 403, a side extrusion plate 405 is arranged in the side extrusion opening 3, an extrusion push rod 406 is arranged at the end of the driving cylinder 402, the end of the extrusion push rod 406 passes through the limiting through hole 404 and is connected to the side of the side extrusion plate 405, and a plurality of side pressure sensors 407 are evenly arranged on the side of the side extrusion plate 405.

[0029] The cone point strength extrusion assembly 5 includes sliding through holes 501 symmetrically opened on the upper and lower sides of the side extrusion plate 405, a resisting cone rod 502 is slidably inserted in the sliding through hole 501, the end of the resisting cone rod 502 passes through the limiting connecting frame 403, a cone point pressure sensor 503 is arranged at the end of the sliding through hole 501, and a fixing bolt 504 is threadedly inserted at the end of the side extrusion plate 405.

[0030] Embodiment 2: The difference between this embodiment and embodiment 1 is that two limiting slots are symmetrically provided on the inner wall of the elevator door fixing frame 2 .

[0031] The elevator door inserted into the elevator door fixing frame 2 can be more stable when limited by the limiting slot.

[0032] Embodiment 3: The difference between this embodiment and embodiment 1 is that the end of the sliding through hole 501 is in a cone shape for easy extrusion.

[0033] The contact cone rod 502 makes it easier to test the cone point contact strength of the elevator door.

[0034] Embodiment 4: The difference between this embodiment and embodiment 1 is that, the end of the fixing bolt 504 is provided with anti-slip grooves, and the end of the fixing bolt 504 abuts against the side of the cone rod 502 .

[0035] This allows the abutting cone rod 502 movably inserted into the sliding through hole 501 to be more securely fixed.

[0036] In this embodiment, since most of the existing elevator door side mechanical strength testing devices can only squeeze the side as a whole, when performing single-point squeezing detection, the elevator door needs to be repeatedly disassembled and assembled. The disassembly and assembly process is relatively cumbersome, which greatly reduces the efficiency of the elevator door's mechanical strength testing and is difficult to meet user needs.

[0037] In summary, in the specific implementation, when the user needs to perform a strength test on the elevator door, the user first inserts the elevator door into the elevator door fixing frame 2, and the side of the elevator door is limited and fixed by the limiting slot, so that the elevator door to be tested can be stably inserted in the elevator door fixing frame 2, and it is also more convenient for replacing and inspecting the elevator door.

[0038] After the elevator door is fixed in the elevator door fixing frame 2, the user starts the driving cylinder 402 in the elevator door side strength squeezing assembly 4 on the side of the elevator door fixing frame 2, so that the driving cylinder 402 pushes the side squeezing plate 405 through the squeezing push rod 406, so that the side squeezing plate 405 can squeeze the side of the elevator door placed in the elevator door fixing frame 2, and a plurality of side pressure sensors 407 are arranged on the surface of the side squeezing plate 405, which can detect the pressure strength of the elevator door when it is compressed in real time, so that the user can better test the bearing strength of the compressed elevator door, and when the user needs to perform cone point resistance on the side of the elevator door to test its strength.

[0039] The user can slide the contact cone rod 502 so that the end of the contact cone rod 502 extends to the side of the side extrusion plate 405, and rotate the fixing bolt 504 so that the fixing bolt 504 fixes the contact cone rod 502 on the side extrusion plate 405. Then, when the driving cylinder 402 pushes the side extrusion plate 405, since the contact cone rod 502 extends to the side of the side extrusion plate 405, the end of the contact cone rod 502 will first contact the side of the elevator door.

[0040] Therefore, by using the cone point pressure sensor 503 arranged at the end of the cone rod 502, the compressive strength of the side of the elevator door when it is impacted by the cone point can be detected, so that the side inspection data of the elevator door is richer, and there is no need to disassemble and assemble the elevator door back and forth, which greatly improves the mechanical strength inspection efficiency of the elevator door, and the strength inspection data is more complete, which meets the user's usage needs.

Claims

1. An elevator door mechanical strength testing device, comprising a testing support base (1), characterized in that: An elevator door fixing frame (2) is arranged at the top of the inspection support base (1), two side extrusion openings (3) are symmetrically provided on both sides of the elevator door fixing frame (2), and elevator door side strength extrusion components (4) for strength inspection are arranged on the sides of the side extrusion openings (3), and a cone point strength extrusion component (5) is arranged on the elevator door side strength extrusion component (4); The elevator door side strength extrusion assembly (4) comprises a fixed connection plate (401) symmetrically arranged on both sides of the elevator door fixing frame (2), two driving cylinders (402) are symmetrically arranged on the fixed connection plate (401), a limiting connection frame (403) is arranged on the side of the fixed connection plate (401), two limiting through holes (404) are symmetrically opened on the limiting connection frame (403), a side extrusion plate (405) is arranged in the side extrusion opening (3), an extrusion push rod (406) is arranged at the end of the driving cylinder (402), the end of the extrusion push rod (406) passes through the limiting through hole (404) and is connected to the side of the side extrusion plate (405), and a plurality of side pressure sensors (407) are evenly arranged on the side of the side extrusion plate (405).

2. An elevator door mechanical strength testing device according to claim 1, characterized in that: The cone point strength extrusion assembly (5) comprises sliding through holes (501) symmetrically arranged on the upper and lower sides of the side extrusion plate (405), a resisting cone rod (502) being slidably inserted into the sliding through hole (501), and an end of the resisting cone rod (502) passes through the limiting connecting frame (403).

3. An elevator door mechanical strength testing device according to claim 2, characterized in that: A cone point pressure sensor (503) is provided at the end of the sliding through hole (501), and a fixing bolt (504) is threadedly inserted into the end of the side extrusion plate (405).

4. The elevator door mechanical strength testing device according to claim 3, characterized in that: Two limiting slots are symmetrically arranged on the inner wall of the elevator door fixing frame (2).

5. The elevator door mechanical strength testing device according to claim 4, characterized in that: The end of the sliding through hole (501) is in a cone shape for easy extrusion.

6. The elevator door mechanical strength testing device according to claim 5, characterized in that: The end of the fixing bolt (504) is provided with an anti-slip groove, and the end of the fixing bolt (504) abuts against the side of the abutting cone rod (502).

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